Find the center and the radius of the circle.x2 + y2 - 4x + 2y - 20 = 0
A. (-1, 2); r = 5
B. (-2, 1); r = 25
C. (2, -1); r = 5
D. (1, -2); r = 25
Answer: C
Mathematics
You might also like to view...
Solve the problem. Round your answer to the nearest cent.Sumi Kato's savings account has a balance of $141. After 9 years what will the amount of interest be at 3.5% compounded annually?
A. $40.17 B. $57.17 C. $51.17 D. $126.90
Mathematics
Replace the ? with < or >.0.37700 ? 0.377
A. = B. < C. >
Mathematics
Answer the question about the given function.Given the function f(x) = -7x2 - 14x - 4, is the point (-2, -18) on the graph of f?
A. Yes B. No
Mathematics
Give the equation of the oblique asymptote, if any, of the function.h(x) = 
A. y = x + 2 B. y = 2x C. y = 0 D. no oblique asymptote
Mathematics